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Methacycline (Doxycycline EP impurity B)

CAT NUMBER DCTI-C-2821
CAS NUMBER 3963-95-9
MOLECULAR FORMULA C22H22N2O8 (Free Base); C22H23ClN2O8 (HCl Salt)
MOLECULAR WEIGHT 442.42 (Free Base); 478.88 (HCl Salt)

Methanone.HCl Regio isomer

CAT NUMBER DCTI-C-3125
CAS NUMBER NA
MOLECULAR FORMULA C20H23ClN2O
MOLECULAR WEIGHT 342.87

Methazolamide impurity-C

Methazolamide impurity-C

CAT Number DCTI-C-1906
CAS Number 2760416-41-7
Molecular Formula C12H13N30S2
Molecular Weight 279.38

DCTI-A-094

Methimazole Labelled Standard

CAT Number DCTI-A-094
CAS Number 1160932-07-9
Molecular Formula C4H3D3N2S
Molecular Weight 117.18

Methotrexate Dimethylester Hydrochloride

CAT NUMBER DCTI-C-3300
CAS NUMBER 34378-65-9 (Free base)
MOLECULAR FORMULA C22H27ClN8O5 (HCl Salt);C22H26N8O5 (Free base)
MOLECULAR WEIGHT 482.50 (Free base);518.96 (HCl Salt)

Methotrexate Impurity A

Methotrexate Impurity A

CAT NUMBER DCTI-C-1778
CAS NUMBER 945-24-4(Free Base) ; 73978-41-3(HCl Salt)
MOLECULAR FORMULA C7H8N6O (Free base) C7H9ClN6O (Salt)
MOLECULAR WEIGHT 192.18 (Free base) 228.64 (Salt)

Methotrexate-DCTI-C-1412-Daicel

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Methotrexate Impurity B

CAT Number DCTI-C-1412
CAS Number 54-62-6
Molecular Formula C19H20N8O5
Molecular Weight 440.41

Methotrexate-DCTI-C-1282-Daicel

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Methotrexate Impurity C

CAT Number DCTI-C-1282
CAS Number 2410-93-7
Molecular Formula C20H21N7O6
Molecular Weight 455.42

Methotrexate-DCTI-C-1283-Daicel

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Methotrexate Impurity D

CAT Number DCTI-C-1283
CAS Number 5623-18-7
Molecular Formula C15H14N6O3
Molecular Weight 326.31

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